Coupe maintenance hints and tips

with information I choose to publish
to support all those who fly the various models of
Ercoupes, Aircoupes and Mooney M-10s

Disclaimer: We have no professional or expert qualifications of any kind.
It's fully up to you to check any information you find here with
standard aviation industry sources such as aircraft maintenance
manuals, flying instruction books and, above all, FAA regulations!

These documents are a distillation I've made of information I've received in association with Coupes since buying my Coupe in January of 1979. This is the best information I have found based on my judgment as a complete amateur in aviation.

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Hartmut's ercoupe.info with maintenance, repair and other info - a prime resource!

Best Practices Guide for Maintaining Aging General Aviation Airplanes

Landing gear spacers to return on-the-ground attitude to factory design
   This is important, in particular, to crosswind landing and takeoff safety. 
    The file is 387kb so give it a few moments to download
    The file is in .PDF format.  You need Adobe Reader to view and print it. 
        You may get Adobe reader here:

Nose wheel steering inspection

Gascolators

Radio TSO requirement

Airspeed indicator errors

Small Airplanes Regulations and Policies (FAA website)

CG and luggage compartment options

C-75 to C-85 conversion information

Testing fuel for presence of alcohol

Mixture full rich before descent!

Sample form 337 approvals

Oil blow-out through the breather tube

Fuel system

Fuel tank rebuilding and sales

Stromberg Mixture & Secrets.pdf (requires Adobe Acrobat Reader (free) from here.)

Split elevator form 337 for 415-C

Ercoupe/Aircoupe gust lock

The "rope trick" for stuck valves (on a Lycoming website) (requires Adobe Acrobat Reader (free) from here.)

Continental Service Bulletin M47-16 and Supplement 1
    Conversion of C-75 to C-85 and Supplement 1 conversion of C-75 or C-85 to be C-90